Mercurial > dive4elements > gnv-client

annotate gnv/src/main/java/de/intevation/gnv/action/DoExportAction.java @ 681:15ac78a91d1b

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Removed trailing whitespace. gnv/trunk@852 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 29 Mar 2010 08:04:15 +0000
parents 960ae818296e
children d49e8695786c
rev   line source
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1 /**
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2 *
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3 */
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4 package de.intevation.gnv.action;
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5
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6 import de.intevation.gnv.action.sessionmodel.SessionModel;
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7 import de.intevation.gnv.action.sessionmodel.SessionModelFactory;
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8
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9 import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClient;
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10 import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClientFactory;
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11
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12 import de.intevation.gnv.artifactdatabase.objects.DefaultInputParameter;
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13 import de.intevation.gnv.artifactdatabase.objects.ExportMode;
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14 import de.intevation.gnv.artifactdatabase.objects.InputParameter;
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15 import de.intevation.gnv.artifactdatabase.objects.OutputMode;
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16 import de.intevation.gnv.artifactdatabase.objects.OutputParameter;
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17
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18 import java.io.OutputStream;
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19
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20 import java.util.ArrayList;
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21 import java.util.Collection;
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22 import java.util.Iterator;
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23
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24 import javax.servlet.http.HttpServletRequest;
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25 import javax.servlet.http.HttpServletResponse;
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26
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27 import org.apache.log4j.Logger;
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28
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29 import org.apache.struts.action.ActionForm;
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30 import org.apache.struts.action.ActionForward;
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31 import org.apache.struts.action.ActionMapping;
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32
29
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33 /**
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34 * @author Tim Englich <tim.englich@intevation.de>
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35 *
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36 */
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37 public class DoExportAction extends ArtifactDatabaseActionBase {
29
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38
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39 /**
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40 * the logger, used to log exceptions and additonaly information
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41 */
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42 private static Logger log = Logger.getLogger(DoExportAction.class);
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43
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44 /**
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45 * Constructor
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46 */
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47 public DoExportAction() {
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48 super();
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49 }
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50
573
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51 /**
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52 * @see de.intevation.gnv.action.ArtifactDatabaseActionBase#execute(org.apache.struts.action.ActionMapping,
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53 * org.apache.struts.action.ActionForm,
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54 * javax.servlet.http.HttpServletRequest,
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55 * javax.servlet.http.HttpServletResponse)
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56 */
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57 @Override
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58 public ActionForward execute(
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59 ActionMapping mapping,
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60 ActionForm form,
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61 HttpServletRequest request,
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62 HttpServletResponse response)
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63 throws Exception
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64 {
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65 try {
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66 String target = request.getParameter("target");
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67 String mimeType = request.getParameter("mimetype");
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68 String mode = request.getParameter("mode");
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69
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70 log.debug("Target: " + target);
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71 log.debug("MimeType: " + mimeType);
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72 log.debug("ExportMode: " + mode);
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73
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74 SessionModel sm = SessionModelFactory.getInstance()
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75 .getSessionModel(request);
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76 OutputMode outputMode = sm.getOutputMode(target);
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77 if (outputMode != null) {
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78 ExportMode exportMode = outputMode.getExportMode(mode);
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79
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80 if (target.equals(mode) || (exportMode != null
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81 && exportMode.getMimeType().equals(mimeType)))
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82 {
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83 Collection<OutputParameter> inputParameter = outputMode
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84 .getOutputParameters();
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85 Collection<InputParameter> ips = null;
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86 if (inputParameter != null) {
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87 ips = new ArrayList<InputParameter>(inputParameter.size());
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88 Iterator<OutputParameter> it = inputParameter.iterator();
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89 while (it.hasNext()) {
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90 String name = it.next().getName();
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91 String[] values = request.getParameterValues(name);
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92 InputParameter ip = new DefaultInputParameter(name,
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93 values);
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94 ips.add(ip);
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95 }
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96 }
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97
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98 ArtifactDatabaseClient adc = ArtifactDatabaseClientFactory
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99 .getInstance()
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100 .getArtifactDatabaseClient(getLocale(request));
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101
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102 this.setHeaders(mode, mimeType, response, request);
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103
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104 OutputStream outputStream = response.getOutputStream();
583
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105 adc.doOutput(
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106 sm.getSelectedArtifactFactory(),
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107 sm.getCurrentArtifact(),
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108 outputStream,
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109 target,
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110 mode,
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111 mimeType,
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112 ips);
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113
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114 outputStream.flush();
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115 outputStream.close();
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116 }
576
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117 else if (exportMode == null) {
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118 Collection<OutputParameter> inputParameter = outputMode
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119 .getOutputParameters();
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120 Collection<InputParameter> ips = null;
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121 if (inputParameter != null) {
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122 ips = new ArrayList<InputParameter>(inputParameter.size());
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123 Iterator<OutputParameter> it = inputParameter.iterator();
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124 while (it.hasNext()) {
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125 String name = it.next().getName();
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126 String[] values = request.getParameterValues(name);
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127 InputParameter ip = new DefaultInputParameter(name,
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128 values);
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129 ips.add(ip);
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130 }
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131 }
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132
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133 ArtifactDatabaseClient adc = ArtifactDatabaseClientFactory
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134 .getInstance()
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135 .getArtifactDatabaseClient(getLocale(request));
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136
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137 this.setHeaders(target, mimeType, response, request);
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138
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139 OutputStream outputStream = response.getOutputStream();
583
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140 adc.doOutput(
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141 sm.getSelectedArtifactFactory(),
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142 sm.getCurrentArtifact(),
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143 outputStream,
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144 target,
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145 mode,
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146 mimeType,
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147 ips);
576
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148
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149 outputStream.flush();
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150 outputStream.close();
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151 }
573
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152 else {
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153 if (outputMode == null) {
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154 log.error("Outputmode is not supported.");
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155 }
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156 else if (!exportMode.getMimeType().equals(mimeType)) {
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157 log.error("MimeType "+mimeType+" wis not supported.");
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158 }
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159 // TODO FIXME: Fehlerbehandlung
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160 }
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161 }
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162 return super.execute(mapping, form, request, response);
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163 } catch (Exception e) {
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164 log.error(e, e);
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165 request.setAttribute(
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diff changeset
166 CommunicationKeys.REQUEST_EXCEPTION_MESSAGE_ID, e
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167 .getMessage());
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168 return super.getExceptionForward(mapping);
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169 }
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170 }
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171
29
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172 protected void setHeaders(String target, String mimeType,
38
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173 HttpServletResponse response,
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174 HttpServletRequest request) {
29
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175 log.debug("DoExportAction.setHeaders");
34
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176 try {
573
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177 response.setHeader("Content-Type", mimeType);
36
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178 String fileName = "GNVEXPORT_" + System.currentTimeMillis() + ".";
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179
398
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180 target = target.toLowerCase();
589
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181 log.debug("******************************************************");
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182 log.debug("TARGET: " + target);
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183 log.debug("MIMETYPE: " + mimeType);
398
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184
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185 if (target.equals("chart")) {
36
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186 fileName = fileName
38
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187 + mimeType.substring(mimeType.indexOf("/") + 1);
681
15ac78a91d1b Removed trailing whitespace.
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188 }
579
dc548655a66e Removed litte copy-paste mistake while setting file-extension for exports.
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diff changeset
189 else if (target.equals("histogram")) {
578
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190 fileName = fileName
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191 + mimeType.substring(mimeType.indexOf("/") + 1);
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192 }
589
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193 else if (target.equals("img")) {
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194 fileName = fileName
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195 + mimeType.substring(mimeType.indexOf("/") + 1);
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196 }
398
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diff changeset
197 else if (target.equals("pdf")) {
283
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diff changeset
198 fileName = fileName + "pdf";
398
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199 } else if (target.equals("svg")) {
284
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diff changeset
200 fileName = fileName + "svg";
398
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diff changeset
201 } else if (target.equals("csv")) {
36
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diff changeset
202 fileName = fileName + "csv";
398
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diff changeset
203 } else if (target.equals("zip")) {
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diff changeset
204 fileName = fileName + "zip";
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diff changeset
205 } else if (target.equals("wms")) {
9005b39c52ac Only display chart addons if we really display a chart.
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diff changeset
206 fileName = fileName + "xml";
36
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diff changeset
207 } else {
ad381cc47217 Format Code to max 80 Chars per Row
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diff changeset
208 fileName = fileName + "txt";
34
25fdec8b4c69 Added Global Errorhandling to the GNV-Client
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diff changeset
209 }
36
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diff changeset
210 log.debug("FileName for Export: " + fileName);
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diff changeset
211 response.setHeader("Content-Disposition", "attachment;filename="
38
fccf90761825 Format Code to max 80 Chars per Row better Formatter choosen
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parents: 36
diff changeset
212 + fileName);
34
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parents: 29
diff changeset
213 } catch (Exception e) {
36
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diff changeset
214 log.error(e, e);
29
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215 }
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216 }
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217 }
http://dive4elements.wald.intevation.org